Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quem os Raiders jogaram na semana 12?
 ###Tabelas: CREATE TABLE home_and_away_rounds (home_and_away_rounds_id AUTO_INCREMENT PRIMARY KEY, Round VARCHAR, St Kilda Saints VARCHAR, Opposition VARCHAR, Their Score VARCHAR, Margin INT) CREATE TABLE malaysia (malaysia_id AUTO_INCREMENT PRIMARY KEY, Network VARCHAR, Origin of Programming VARCHAR, Language VARCHAR, Genre VARCHAR, Service VARCHAR) CREATE TABLE earliest_serving_senators_currently_living (earliest_serving_senators_currently_living_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Senator VARCHAR, Date of birth VARCHAR, Entered Senate VARCHAR, Left Senate VARCHAR, State served VARCHAR, Party VARCHAR, Time since entry VARCHAR) CREATE TABLE regular_conflicts (regular_conflicts_id AUTO_INCREMENT PRIMARY KEY, Military deaths VARCHAR, Civilian deaths VARCHAR, Total deaths (not including foreigners) VARCHAR, Military and/or Civilian wounded VARCHAR, Total casualties VARCHAR) CREATE TABLE schedule (schedule_id AUTO_INCREMENT PRIMARY KEY, Week INT, Opponent VARCHAR, Result VARCHAR, Game site VARCHAR, Attendance VARCHAR)  
SELECT Opponent FROM schedule WHERE Week = 12